<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			function add([x,y]){
				return x+y;
			}
			
			let result = add([1,2]);
			console.log(result);	//3
		</script>
	</body>
</html>
